package com.example.mqtt.utils;

import com.alibaba.fastjson.JSONObject;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;

import java.io.IOException;

public class HttpRequestUtil {
    public static void sendPost(String url, JSONObject param) {
        // 向服务器发送post请求
        HttpPost httpPost = new HttpPost(url);
        CloseableHttpClient client = HttpClients.createDefault();
        //请求参数转JOSN字符串
        StringEntity entity = new StringEntity(param.toString(), "UTF-8");
        entity.setContentEncoding("UTF-8");
        entity.setContentType("application/json");
        httpPost.setEntity(entity);
        try {
            HttpResponse response = client.execute(httpPost);
            assert response.getStatusLine().getStatusCode() == 200 : "消息发送失败";
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
